package com.xr.common.controller;

import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.alibaba.fastjson2.JSONObject;
import com.xr.common.utils.file.FileUploadUtilsCloud;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import com.xr.common.config.XRConfig;
import com.xr.common.constant.Constants;
import com.xr.common.core.domain.AjaxResult;
import com.xr.common.utils.StringUtils;
import com.xr.common.utils.file.FileUploadUtils;
import com.xr.common.utils.file.FileUtils;
import com.xr.framework.config.ServerConfig;

/**
 * 通用请求处理
 * 
 * @author 
 */
@RestController
@RequestMapping("/common")
public class CommonController
{
    private static final Logger log = LoggerFactory.getLogger(CommonController.class);

    @Autowired
    private ServerConfig serverConfig;

    private static final String FILE_DELIMETER = ",";

    /**
     * 通用下载请求
     * 
     * @param fileName 文件名称
     * @param delete 是否删除
     */
    @GetMapping("/download")
    public void fileDownload(String fileName, Boolean delete, HttpServletResponse response, HttpServletRequest request)
    {
        try
        {
            if (!FileUtils.checkAllowDownload(fileName))
            {
                throw new Exception(StringUtils.format("文件名称({})非法，不允许下载。 ", fileName));
            }
            String realFileName = System.currentTimeMillis() + fileName.substring(fileName.indexOf("_") + 1);
            String filePath = XRConfig.getDownloadPath() + fileName;

            response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
            FileUtils.setAttachmentResponseHeader(response, realFileName);
            FileUtils.writeBytes(filePath, response.getOutputStream());
            if (delete)
            {
                FileUtils.deleteFile(filePath);
            }
        }
        catch (Exception e)
        {
            log.error("下载文件失败", e);
        }
    }

    /**
     * 通用上传请求（单个）
     */
    @PostMapping("/upload")
    public AjaxResult uploadFile(MultipartFile file) throws Exception
    {
        try
        {
            // 上传文件路径
            String filePath = XRConfig.getUploadPath();
            //返回上传链接信息
            JSONObject resultMap = FileUploadUtils.upload(filePath, file);
            return AjaxResult.success(resultMap);
            // 上传并返回新文件名称
//            String url = serverConfig.getUrl() + fileName;
//            AjaxResult ajax = AjaxResult.success();
//            ajax.put("url", url);
//            ajax.put("fileName", fileName);
//            ajax.put("newFileName", FileUtils.getName(fileName));
//            ajax.put("originalFilename", file.getOriginalFilename());
//            return ajax;
        }
        catch (Exception e)
        {
            return AjaxResult.error(e.getMessage());
        }
    }

    /**
     * 通用上传请求（多个）
     */
//    @PostMapping("/uploads")
//    public AjaxResult uploadFiles(List<MultipartFile> files) throws Exception
//    {
//        try
//        {
//            // 上传文件路径
//            String filePath = XRConfig.getUploadPath();
//            List<String> urls = new ArrayList<String>();
//            List<String> fileNames = new ArrayList<String>();
//            List<String> newFileNames = new ArrayList<String>();
//            List<String> originalFilenames = new ArrayList<String>();
//            for (MultipartFile file : files)
//            {
//                // 上传并返回新文件名称
//                String fileName = FileUploadUtils.upload(filePath, file);
//                String url = serverConfig.getUrl() + fileName;
//                urls.add(url);
//                fileNames.add(fileName);
//                newFileNames.add(FileUtils.getName(fileName));
//                originalFilenames.add(file.getOriginalFilename());
//            }
//            AjaxResult ajax = AjaxResult.success();
//            ajax.put("urls", StringUtils.join(urls, FILE_DELIMETER));
//            ajax.put("fileNames", StringUtils.join(fileNames, FILE_DELIMETER));
//            ajax.put("newFileNames", StringUtils.join(newFileNames, FILE_DELIMETER));
//            ajax.put("originalFilenames", StringUtils.join(originalFilenames, FILE_DELIMETER));
//            return ajax;
//        }
//        catch (Exception e)
//        {
//            return AjaxResult.error(e.getMessage());
//        }
//    }

    /**
     * 本地资源通用下载
     */
    @GetMapping("/download/resource")
    public void resourceDownload(String resource, HttpServletRequest request, HttpServletResponse response)
            throws Exception
    {
        try
        {
            if (!FileUtils.checkAllowDownload(resource))
            {
                throw new Exception(StringUtils.format("资源文件({})非法，不允许下载。 ", resource));
            }
            // 本地资源路径
            String localPath = XRConfig.getProfile();
            // 数据库资源地址
            String downloadPath = localPath + StringUtils.substringAfter(resource, Constants.RESOURCE_PREFIX);
            // 下载名称
            String downloadName = StringUtils.substringAfterLast(downloadPath, "/");
            response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
            FileUtils.setAttachmentResponseHeader(response, downloadName);
            FileUtils.writeBytes(downloadPath, response.getOutputStream());
        }
        catch (Exception e)
        {
            log.error("下载文件失败", e);
        }
    }
    /**
     * 根据文件名自动选择上传的文件路径
     * @param uploadMap String fileName, String type
     * @return
     */
    @PostMapping("/uploadImg")
    public AjaxResult addImg(@RequestBody Map<String, String> uploadMap){
        String fileName = uploadMap.get("fileName");
        String type = uploadMap.get("type");
        if(fileName.isEmpty() || type.isEmpty()){
            return AjaxResult.error("上传参数有误");
        }
        String filePath = "";
        try {
            switch (type){
                case "popularImg":
                    filePath = XRConfig.getPopularImgPath();
                    break;
                case "recommendationImg":
                    filePath = XRConfig.getRecommendationImgPath();
                    break;
                case "coverImg":
                    filePath = XRConfig.getCoverImgPath();
                    break;
                case "video":
                    filePath = XRConfig.getVideoPath();
                    break;
                case "swiperImg":
                    filePath = XRConfig.getSwiperImgPath();
                    break;
                case "detailsImg":
                    filePath = XRConfig.getDetailsImgPath();
                    break;
                case "iconImg":
                    filePath = XRConfig.getIconImgPath();
                    break;
                case "indexSwiperImg":
                    filePath = XRConfig.getIndexSwiperImgPath();
                    break;
                case "standardsImg":
                    filePath = XRConfig.getStandardsImgPath();
                    break;
                case "beforeServiceImg":
                    filePath = XRConfig.getBeforeServiceImgPath();
                    break;
                case "afterServiceImg":
                    filePath = XRConfig.getAfterServiceImgPath();
                    break;
                case "clockImg":
                    filePath = XRConfig.getUploadClockImgPath();
                    break;
                default:
                    filePath = "无效的类型";
                    break;
            }
            // 获取上传链接
            JSONObject resultMap = FileUploadUtilsCloud.upload(filePath, fileName);
            return AjaxResult.success(resultMap);
        } catch (Exception e) {
            return AjaxResult.error(e.getMessage());
        }
    }
}
